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Cheap flights from St Louis (STL) to Calcutta (CCU)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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Cheap flights from St Louis to Calcutta in April , May 2026

29 Apr - 30 May $ 1,598.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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29 Apr - 30 May $ 1,606.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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26 Apr - 30 May $ 1,681.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Calcutta

26 Apr - 02 May $ 2,210.00
STL
St Louis
Alaska Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
3 STOPS
STL
St Louis
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19 Apr - 02 May $ 2,237.00
STL
St Louis
Alaska Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
3 STOPS
STL
St Louis
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19 Apr - 02 May $ 2,245.00
STL
St Louis
Alaska Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Calcutta from St Louis

9:10 AM - 6:00 PM
Air India Limited
2 Stops
24h 40m
STL - CCU
$ 992
Kiwi
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7:45 AM - 6:00 PM
Air India Limited
2 Stops
26h 5m
STL - CCU
$ 992
Kiwi
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9:10 AM - 6:00 PM
Air India Limited
2 Stops
24h 40m
STL - CCU
$ 1,040
Kiwi
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.